European Journal of Anatomy

Official Journal of The Spanish Society of Anatomy
Cover Volume 23 - Number 1
Eur J Anat, 23 (1): 41-47 (2019)

Morphometric parameters of the glenoid labrum

Abduelmenem Alashkham1,2,3, Abdulrahman Alraddadi2,4, Roger Soames2

1Anatomy, School of Biomedical Sciences, University of Edinburgh, Edinburgh, UK, 2Centre for Anatomy and Human Identification, University of Dundee, Dundee, UK, 3Human Anatomy Department, Faculty of Medicine, University of Zawia, Zawia, Libya, 4King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia

ABSTRACT The glenoid labrum has an important role in glenohumeral joint stability, yet its morphometric parameters are seldom reported. This study aimed to (i) investigate the thickness and height of the glenoid labrum, and (ii) determine whether there is any significant difference between side and sex. A total of 140 shoulders (30 male and 40 female cadavers, average age of 81.5 years) were obtained for this study. All muscles and blood vessels surrounding the glenohumeral joint, as well as the fibrous capsule, were inspected and then removed to expose the glenoid fossa with the labrum attached. Measurement of labral height and thickness at the superior (12 o’clock), anterior (3 o’clock), inferior (6 o’clock) and posterior (9 o’clock) regions were taken. Gender, side and thickness and height measurements of the glenoid labrum were double- entered into the Statistical Package for Social Sciences. ANOVA and MANOVA tests were conducted to determine statistical significance, which was set at P<0.05. Significant differences in thickness (at the superior, inferior and posterior aspects) and height (at the superior and inferior aspects) of the glenoid labrum were observed between males and females, being thicker and taller in males in all regions. Based on the side of the limb, no differences in labral thickness and height were observed with respect to side. The current observations confirm that the glenoid labrum height and thickness are associated with sex, but not with side.

Keywords: Glenoid labrum – Glenoid fossa – Scapula

European Journal of anatomy
ISSN 2340-311X (Online)